# Fight Finance

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Question 65  annuity with growth

Which of the below formulas gives the present value of an annuity with growth?

Hint: The equation of a perpetuity without growth is: $$V_\text{0, perp without growth} = \frac{C_\text{1}}{r}$$

The formula for the present value of an annuity without growth is derived from the formula for a perpetuity without growth.

The idea is than an annuity with T payments from t=1 to T inclusive is equivalent to a perpetuity starting at t=1 with fixed positive cash flows, plus a perpetuity starting T periods later (t=T+1) with fixed negative cash flows. The positive and negative cash flows after time period T cancel each other out, leaving the positive cash flows between t=1 to T, which is the annuity.

\begin{aligned} V_\text{0, annuity} &= V_\text{0, perp without growth from t=1} - V_\text{0, perp without growth from t=T+1} \\ &= \dfrac{C_\text{1}}{r} - \dfrac{ \left( \dfrac{C_\text{T+1}}{r} \right) }{(1+r)^T} \\ &= \dfrac{C_\text{1}}{r} - \dfrac{ \left( \dfrac{C_\text{1}}{r} \right) }{(1+r)^T} \\ &= \dfrac{C_\text{1}}{r}\left(1 - \dfrac{1}{(1+r)^T}\right) \\ \end{aligned}

The equation of a perpetuity with growth is:

$$V_\text{0, perp with growth} = \dfrac{C_\text{1}}{r-g}$$

You just started work at your new job which pays $48,000 per year. The human resources department have given you the option of being paid at the end of every week or every month. Assume that there are 4 weeks per month, 12 months per year and 48 weeks per year. Bank interest rates are 12% pa given as an APR compounding per month. What is the dollar gain over one year, as a net present value, of being paid every week rather than every month? Acquirer firm plans to launch a takeover of Target firm. The deal is expected to create a present value of synergies totaling$2 million. A scrip offer will be made that pays the fair price for the target's shares plus 70% of the total synergy value.

 Firms Involved in the Takeover Acquirer Target Assets ($m) 60 10 Debt ($m) 20 2 Share price ($) 10 8 Number of shares (m) 4 1 Ignore transaction costs and fees. Assume that the firms' debt and equity are fairly priced, and that each firms' debts' risk, yield and values remain constant. The acquisition is planned to occur immediately, so ignore the time value of money. Calculate the merged firm's share price and total number of shares after the takeover has been completed. A European call option will mature in $T$ years with a strike price of $K$ dollars. The underlying asset has a price of $S$ dollars. What is an expression for the payoff at maturity $(f_T)$ in dollars from having written (being short) the call option? A risky firm will last for one period only (t=0 to 1), then it will be liquidated. So it's assets will be sold and the debt holders and equity holders will be paid out in that order. The firm has the following quantities: $V$ = Market value of assets. $E$ = Market value of (levered) equity. $D$ = Market value of zero coupon bonds. $F_1$ = Total face value of zero coupon bonds which is promised to be paid in one year. What is the payoff to equity holders at maturity, assuming that they keep their shares until maturity? In Australia in the 1980's, inflation was around 8% pa, and residential mortgage loan interest rates were around 14%. In 2013, inflation was around 2.5% pa, and residential mortgage loan interest rates were around 4.5%. If a person can afford constant mortgage loan payments of$2,000 per month, how much more can they borrow when interest rates are 4.5% pa compared with 14.0% pa?

Give your answer as a proportional increase over the amount you could borrow when interest rates were high $(V_\text{high rates})$, so:

$$\text{Proportional increase} = \dfrac{V_\text{low rates}-V_\text{high rates}}{V_\text{high rates}}$$

Assume that:

• Interest rates are expected to be constant over the life of the loan.
• Loans are interest-only and have a life of 30 years.
• Mortgage loan payments are made every month in arrears and all interest rates are given as annualised percentage rates (APR's) compounding per month.

Which of the following statements about standard statistical mathematics notation is NOT correct?

If the Reserve Bank of Australia is expected to keep its interbank overnight cash rate at 2% pa while the US Federal Reserve is expected to keep its federal funds rate at 0% pa over the next year, is the AUD is expected to , , or remain against the USD over the next year?

The capital market line (CML) is shown in the graph below. The total standard deviation is denoted by σ and the expected return is μ. Assume that markets are efficient so all assets are fairly priced.

Which of the below statements is NOT correct?

Question 854  speculation motive for keeping money, no explanation

What is the speculation motive for keeping money? The speculation motive encourages people to keep money available: